import Vue from 'vue'
import { deepAssign } from '../utils/deep-assign'
import defaultMessages from './lang/zh-CN'
var proto = Vue.prototype
var defineReactive = Vue.util.defineReactive
defineReactive(proto, '$vantLang', 'zh-CN')
defineReactive(proto, '$vantMessages', {
  'zh-CN': defaultMessages
})
export default {
  messages: function messages() {
    return proto.$vantMessages[proto.$vantLang]
  },
  use: function use(lang, messages) {
    var _this$add

    proto.$vantLang = lang
    this.add((_this$add = {}, _this$add[lang] = messages, _this$add))
  },
  add: function add(messages) {
    if (messages === void 0) {
      messages = {}
    }

    deepAssign(proto.$vantMessages, messages)
  }
}
